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For Questions , use the following narrative
Narrative: Aspirin and polyps
A well-designed experiment by the Ohio State University Medical Center studied whether or not taking an aspirin a day would affect colon cancer patients' chances of getting subsequent colon polyps.In the study, 635 patients with colon cancer participated; 317 of them were randomly assigned to the aspirin group, and the other 318 patients were assigned to a placebo (non-aspirin) group.The results showed that 17% of the patients in the aspirin group developed subsequent polyps, compared to 27% of the patients in the non-aspirin group.The results are summarized in the table below.
-{Aspirin and polyps narrative} Compute the test statistic for the data.
Yellow Skin
A condition known as jaundice, which indicates a buildup of bilirubin in the blood, often a sign of liver disease.
Tubercle Bacilli
Bacteria responsible for tuberculosis, a disease affecting the lungs and sometimes other parts of the body.
Mantoux
A skin test that determines if someone has been exposed to the tuberculosis bacterium by injecting a small amount of tuberculin into the skin.
Wound Culture
A laboratory test involving the growth of microorganisms from a wound to identify an infection.
Q1: A _ is a quick and easy
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Q2: The expected value _ have to be
Q7: {Study time and exam score narrative} For
Q12: The p-value _ (choose: is, is not)
Q13: {Case study 6.1 narrative} This experiment involved
Q15: Which of the following situations will produce
Q29: Suppose you do not know anything about
Q31: {Politics narrative} Suppose numerous random samples of
Q59: You have 15 employees working for you: